barbiana barbiana

03-07-2019
Mathematics

contestada

assume y varies directly as x if y = 7 when x=3 find x when y=21

Respuesta :

eddiezarate12 eddiezarate12

03-07-2019

Answer:

x=9 when y=21

Step-by-step explanation:

I used cross multiplication

7:3=21:x

7x=63

x=9

Answer Link

Otras preguntas

what does it mean to you to be a thoughtful consumer of media

What is the missing exponent? (6^_____)^-4=6^20

37,771,573....Find the digit in the hundred place.which digit has 1/10 the value of the digit in the hundred plac

Two right triangles with the following dimensions are graphed with their hypotenuses on the same line: triangle X: horizontal leg measures 4 units vertical leg

On early Earth, what was referred to as the "primordial soup"? a. The mixture of gasses in the early Earth's atmosphere. b. The combination of organic compounds

What was Ferdinand Magellan known for? A. sponsoring the voyages of Christopher Columbus B. leading the first expedition to circumnavigate the globe C. claiming

Do your cells use food to directly power their various functions? Explain your answer.

what prefix before saccharide would you use to describe sucrose

Can someone SMART redo these questions I mean I made a seven and I did all I could I need to know what went wrong

an example of a constant acceleration is